service_tier

Service tier for model invocation.

Specifies the processing tier type used for serving the request. Supported values are 'priority', 'default', 'flex', and 'reserved'.

• 'priority': Prioritized processing for lower latency
• 'default': Standard processing tier
• 'flex': Flexible processing tier with lower cost
• 'reserved': Reserved capacity for consistent performance

If not provided, AWS uses the default tier.